National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

21°F

-6°C

Humidity 47%
Wind Speed SW 7 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 27 Jan 3:54 pm EST
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values as low as -6. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 5 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Increasing clouds, with a high near 23. Wind chill values as low as -6. West wind 6 to 9 mph.

    High: 23 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -4. West wind around 6 mph.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values as low as -6. West wind 5 to 9 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 5. West wind around 7 mph.

    Low: 5 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 19. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 19 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -2. West wind around 6 mph.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22. North wind around 6 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after midnight. Mostly cloudy, with a low around 11. North wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 5. Wind chill values as low as -6. West wind 6 to 8 mph, with gusts as high as 21 mph.
Wednesday
Increasing clouds, with a high near 23. Wind chill values as low as -6. West wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -4. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 23. Wind chill values as low as -6. West wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 5. West wind around 7 mph.
Friday
Sunny, with a high near 19. West wind 8 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around -2. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 22. North wind around 6 mph.
Saturday Night
A chance of snow after midnight. Mostly cloudy, with a low around 11. North wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 28. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 33. Northwest wind around 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 15. West wind around 7 mph.
Tuesday
Mostly sunny, with a high near 32. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
2:44 pm EST Jan 27, 2026
Forecast Valid:
4pm EST Jan 27, 2026-6pm EST Feb 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation